The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 16 June 2025 06:22 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	352360	4.05%	13877	25.39	AMAZON-02, US
2	8151	179815	2.07%	12279	14.64	UNINET, MX
3	45899	151695	1.74%	3291	46.09	VNPT-AS-VN VNPT Corp, VN
4	4155	74981	0.86%	2814	26.65	USDA-1, US
5	39238	69044	0.79%	145	476.17	OKBPROGRESS Moscow, Russia, RU
6	28135	67568	0.78%	66	1023.76	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
7	9829	59840	0.69%	1836	32.59	BSNL-NIB National Internet Backbone, IN
8	58224	57446	0.66%	1182	48.60	TCI, IR
9	7552	56736	0.65%	3929	14.44	VIETEL-AS-AP Viettel Group, VN
10	17049	55804	0.64%	64	871.94	MBO-NET, US
11	150706	53925	0.62%	117	460.90	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
12	212667	53414	0.61%	104	513.60	ISPIRIA-AS, RU
13	52752	51236	0.59%	28	1829.86	Vegas Telecom Informatica Ltda., BR
14	10620	51156	0.59%	3502	14.61	Telmex Colombia S.A., CO
15	42337	44279	0.51%	683	64.83	RESPINA-AS, IR
16	51559	44263	0.51%	131	337.89	NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
17	174	42212	0.48%	4789	8.81	COGENT-174, US
18	17794	39868	0.46%	13	3066.77	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
19	197207	39327	0.45%	834	47.15	MCCI-AS, IR
20	647	36630	0.42%	416	88.05	DNIC-ASBLK-00616-00665, US
21	35819	35869	0.41%	601	59.68	MOBILY-AS Etihad Etisalat Company Mobily, SA
22	44244	35202	0.40%	991	35.52	IRANCELL-AS, IR
23	11830	33044	0.38%	1991	16.60	Instituto Costarricense de Electricidad y Telecom., CR
24	11664	31728	0.36%	1206	26.31	Techtel LMDS Comunicaciones Interactivas S.A., AR
25	63376	31579	0.36%	2	15789.50	TOUCHTONE-CUSTS, US
26	209181	31279	0.36%	43	727.42	ZENEX5IVE-NL, GB
27	263069	30717	0.35%	11	2792.45	BRT Comercio de Produtos de Informatica LTDA, BR
28	12479	30065	0.35%	7794	3.86	UNI2-AS, ES
29	36903	29758	0.34%	1251	23.79	MT-MPLS, MA
30	37294	28640	0.33%	116	246.90	TNM, MW
31	20940	28514	0.33%	4089	6.97	AKAMAI-ASN1, NL
32	20473	27791	0.32%	1334	20.83	AS-VULTR, US
33	203214	27708	0.32%	891	31.10	HULUMTELE, IQ
34	25454	27264	0.31%	47	580.09	ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
35	5371	27108	0.31%	298	90.97	DNIC-ASBLK-05120-05376, US
36	25184	27074	0.31%	241	112.34	AFRANET to AS62265 announce AS25184, IR
37	23673	27019	0.31%	136	198.67	ONLINE-AS Cogetel Online, Cambodia, ISP, KH
38	13188	26755	0.31%	1606	16.66	TRIOLAN, UA
39	262749	26568	0.31%	17	1562.82	Andries & Cia Ltda, BR
40	36914	25556	0.29%	579	44.14	KENET-AS, KE
41	367	24103	0.28%	2687	8.97	DNIC-ASBLK-00306-00371, US
42	9583	23326	0.27%	1929	12.09	SIFY-AS-IN Sify Limited, IN
43	8369	23307	0.27%	60	388.45	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
44	265566	22372	0.26%	5	4474.40	TELESISTEMAS PENINSULARES SA DE CV, MX
45	7029	21721	0.25%	2107	10.31	WINDSTREAM, US
46	28657	21564	0.25%	2	10782.00	MD Brasil - Tecnologia da Informacao Ltda, BR
47	19429	20705	0.24%	701	29.54	ETB - Colombia, CO
48	7713	18992	0.22%	3716	5.11	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
49	55933	18510	0.21%	634	29.20	CLOUDIE-AS-AP Cloudie Limited, HK
50	264036	18349	0.21%	7	2621.29	CRM SERVICOS DE INTERNET LTDA, BR
Total		2383786	27.39%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	138071	17831.0	0.20%	1	17831	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
2	63376	15789.5	0.36%	2	31579	TOUCHTONE-CUSTS, US
3	17794	13289.3	0.46%	13	39868	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
4	28657	10782.0	0.25%	2	21564	MD Brasil - Tecnologia da Informacao Ltda, BR
5	213439	10511.0	0.12%	1	10511	GLS-HUNGARY, HU
6	7954	10216.0	0.12%	3	10216	IMMENSE-NETWORKS, US
7	34615	7503.0	0.17%	2	15006	UNIVERSAL-EXPORTS Universal Exports, CH
8	51408	6530.0	0.08%	1	6530	SIRIUS-AS, RU
9	265389	5695.0	0.07%	1	5695	PAY USE MULTIMIDIA LTDA, BR
10	396950	4674.0	0.05%	1	4674	COMSTBARTH-AS, FR
11	265566	4474.4	0.26%	5	22372	TELESISTEMAS PENINSULARES SA DE CV, MX
12	397829	4057.0	0.05%	1	4057	SCC-INET-01, CA
13	263069	3839.6	0.35%	11	30717	BRT Comercio de Produtos de Informatica LTDA, BR
14	8987	3815.0	0.18%	93	15260	AWS-GOVCLOUD AWS-GOVCLOUD, IE
15	397656	3800.0	0.04%	1	3800	CHI01-US-CENTRIEN-COM, US
16	139898	3563.0	0.04%	17	3563	DCL-AS-AP Digitec Communications Limited, PG
17	30522	3468.0	0.04%	2	3468	MNMC, US
18	136867	3143.0	0.07%	3	6286	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
19	886	3052.0	0.04%	1	3052	SBH-IX-SERVICES, FR
20	265953	2934.5	0.13%	4	11738	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
21	2603	2696.0	0.03%	11	2696	NORDUNET, DK
22	136103	2652.0	0.12%	4	10608	IDNIC-USM-AS-ID Universitas Semarang, ID
23	264036	2621.3	0.21%	7	18349	CRM SERVICOS DE INTERNET LTDA, BR
24	271084	2297.8	0.11%	4	9191	TRYMNET PROVEDOR, BR
25	328509	2253.8	0.13%	5	11269	SpeedNet-Servicos, AO
26	32685	2088.0	0.02%	1	2088	AEG-VISION, US
27	267660	2026.0	0.05%	5	4052	T & S SERVICO DE COMUNICACAO MULTIMIDIA LTDA, BR
28	27621	1975.0	0.02%	8	1975	AMERICAN-COMPUTER-ASSOCIATES-SCHUYL-INC, US
29	263234	1910.0	0.02%	1	1910	SECRETARIA DE ESTADO EN EL DESPACHO DE FINANZAS, HN
30	214122	1884.5	0.04%	2	3769	CIVO-INDIA, IN
31	137258	1834.0	0.02%	1	1834	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
32	52752	1829.9	0.59%	28	51236	Vegas Telecom Informatica Ltda., BR
33	56639	1786.0	0.02%	1	1786	LNET-COM-UA-AS, UA
34	13341	1778.5	0.08%	5	7114	TRANQUILITY, US
35	31104	1677.5	0.04%	2	3355	EVACY, FR
36	133841	1671.5	0.08%	7	6686	IDOLA-BROADBAND-AS-ID INDONESIA BROADBAND ACCESS - ANYWHERE, ID
37	262749	1562.8	0.31%	17	26568	Andries & Cia Ltda, BR
38	131872	1533.0	0.04%	2	3066	IITP-AS-KR IITP, KR
39	271482	1506.4	0.09%	5	7532	MEGA TELECOM FIBRA, BR
40	15570	1425.0	0.05%	18	4275	INAP-LON Internap European Autonomous System, GB
41	211188	1348.0	0.02%	1	1348	ASBTSLTD, GB
42	131578	1344.0	0.02%	1	1344	BFSUNET Beijing Foreign Studies University, CN
43	273202	1292.5	0.03%	2	2585	ZONALIBRE INGENIERIA S.A.S., CO
44	203377	1279.7	0.04%	3	3839	FIBERNET-TEKNOLOJI-LTD, TR
45	54746	1233.0	0.03%	4	2466	KLAZO-ASN, US
46	149038	1212.5	0.03%	2	2425	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
47	33764	1207.0	0.03%	3	2414	AFRINIC-ZA-JNB-AS, MU
48	21951	1149.0	0.03%	2	2298	STOLAF, US
49	139955	1140.5	0.08%	6	6843	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
50	40138	1133.3	0.08%
Total		190315.8	5.54%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	177.46.36.0/24	32706	0.36%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
2	177.46.39.0/24	31923	0.36%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
3	140.174.37.0/24	31578	0.35%	63376 -- TOUCHTONE-CUSTS, US
4	168.0.128.0/22	30662	0.34%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
5	77.89.192.0/22	26982	0.30%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
6	189.89.81.0/24	26435	0.29%	262749 -- Andries & Cia Ltda, BR
7	124.248.160.0/19	24951	0.28%	23673 -- ONLINE-AS Cogetel Online, Cambodia, ISP, KH
8	38.224.214.0/24	23750	0.26%	174 -- COGENT-174, US
9	45.172.92.0/22	22341	0.25%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
10	138.99.97.0/24	21539	0.24%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
11	188.213.84.0/23	18732	0.21%	20473 -- AS-VULTR, US
12	103.123.24.0/23	17831	0.20%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
13	202.45.88.0/24	13337	0.15%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
14	203.145.74.0/24	13286	0.15%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
15	203.145.78.0/24	13245	0.15%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
16	130.137.231.0/24	13192	0.15%	16509 -- AMAZON-02, US
17	124.195.190.0/24	12437	0.14%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
18	202.181.232.0/23	12274	0.14%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
19	164.163.52.0/22	11630	0.13%	265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
20	138.113.82.0/24	11388	0.13%	54994 -- ML-1432-54994, CA
21	181.233.80.0/22	11039	0.12%	268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR 271482 -- MEGA TELECOM FIBRA, BR
22	91.82.221.0/24	10511	0.12%	213439 -- GLS-HUNGARY, HU
23	130.137.108.0/24	10405	0.12%	16509 -- AMAZON-02, US
24	207.167.116.0/22	10216	0.11%	7954 -- IMMENSE-NETWORKS, US
25	130.137.12.0/24	10215	0.11%	16509 -- AMAZON-02, US
26	84.205.66.0/24	9311	0.10%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
27	179.48.37.0/24	9130	0.10%	271084 -- TRYMNET PROVEDOR, BR
28	130.137.227.0/24	8621	0.10%	16509 -- AMAZON-02, US
29	130.137.140.0/24	8418	0.09%	16509 -- AMAZON-02, US
30	130.137.111.0/24	8418	0.09%	16509 -- AMAZON-02, US
31	130.137.130.0/24	8322	0.09%	16509 -- AMAZON-02, US
32	130.137.105.0/24	8316	0.09%	16509 -- AMAZON-02, US
33	195.114.123.0/24	8312	0.09%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
34	130.137.127.0/24	8283	0.09%	16509 -- AMAZON-02, US
35	130.137.81.0/24	8238	0.09%	16509 -- AMAZON-02, US
36	130.137.99.0/24	8237	0.09%	16509 -- AMAZON-02, US
37	130.137.86.0/24	8204	0.09%	16509 -- AMAZON-02, US
38	173.82.108.0/24	8200	0.09%	16509 -- AMAZON-02, US
39	130.137.124.0/24	8196	0.09%	16509 -- AMAZON-02, US
40	130.137.28.0/24	8105	0.09%	16509 -- AMAZON-02, US
41	130.137.141.0/24	8095	0.09%	16509 -- AMAZON-02, US
42	173.82.67.0/24	8095	0.09%	16509 -- AMAZON-02, US
43	130.137.150.0/24	8088	0.09%	16509 -- AMAZON-02, US
44	130.137.78.0/24	8087	0.09%	16509 -- AMAZON-02, US
45	130.137.136.0/24	8087	0.09%	16509 -- AMAZON-02, US
46	130.137.26.0/24	8084	0.09%	16509 -- AMAZON-02, US
47	130.137.147.0/24	8076	0.09%	16509 -- AMAZON-02, US
48	130.137.85.0/24	8048	0.09%	16509 -- AMAZON-02, US
49	130.137.230.0/24	8030	0.09%	16509 -- AMAZON-02, US
50	130.137.47.0/24	7982	0.09%	16509 -- AMAZON-02, US
Total		669588	7.44%

14 Day BGP Profile: 2-June-2025 00:00 - 15-June-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	21716690
Number of Prefix Updates:	8704010
Number of Prefix Withdrawals:	275007
Average Prefixes per BGP Update:	0.41
Average BGP Update Messages per second:	17.95
Average Prefix Updates per second:	7.42
Peak BGP Update Message Rate per second:	22751	(08:53:27 Wed, 11-Jun-2025)
Peak Prefix Update Rate per second:	1375	(09:46:53 Tue, 10-Jun-2025)
Peak Prefix Withdraw Rate per second:	11497	(18:05:58 Wed, 4-Jun-2025)
Prefix Count:	1030403
Updated Prefix Count:	677495
Stable Prefix Count:	352908
Origin AS Count:	76987
Updated Origin AS Count:	59971
Stable Origin AS Count:	17016
Unique Path Count:	553746
Updated Path Count:	410836
Stable Path Count:	142910

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.